Home / 40,125.56-55,372.59-22,220.19

Finding the Fourth Proportional to 40,125.56, 55,372.59 and 22,220.19

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Solution

The fourth proportional to 40,125.56, 55,372.59 and 22,220.19 is: 30,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.56 : 55,372.59 = 22,220.19 : x
  2. Step 2: Convert to fraction form
    40,125.56/55,372.59 = 22,220.19/x
  3. Step 3: Cross multiply
    40,125.56x = 55,372.59 × 22,220.19
  4. Step 4: Simplify right side
    40,125.56x = 1,230,389,470.59
  5. Step 5: Solve for x
    x = 1,230,389,470.59/40,125.56
  6. Step 6: Final answer
    x = 30,663.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.